General production

Mike Ottman
Plant Sciences Dept.
University of Arizona
Forbes, Room 303
Tucson, AZ 85721
ph: 520-621-1583
fax: 520-621-7186
mottman@cals.arizona.edu

Diseases

Mary Olsen
Plant Pathology
University of Arizona
Forbes, Room 204
Tucson, AZ 85721
ph: 520-626-2681
fax: 520-621-9290
molsen@cals.arizona.edu

Fertilizer

Jim Walworth
Soil,Water & Environmental Science
University of Arizona
Shantz, Room 518
ph: 520-626-3364
fax: 520-621-1647
walworth@cals.arizona.edu

Mike Ottman
Plant Sciences Dept.
University of Arizona
Forbes, Rm 303
Tucson, AZ 85721
ph: 520-621-1583
fax: 520-621-7186
mottman@cals.arizona.edu

Insects

John Palumbo
Yuma Agricultural Center
6425 West 8th Street
Yuma, AZ 85364-9623
ph: 520-782-3836
fax: 520-782-1940
jpalumbo@cals.arizona.edu

Irrigation

Ed Martin
Maricopa Agricultural Center
37860 W. Smith-Enke Rd
Maricopa, AZ 85239-3010
ph: 520-568-2273
fax: 520-568-2556
edmartin@cals.arizona.edu

Mike Ottman
Plant Sciences Dept.
University of Arizona
Forbes Bldg, Rm 303
Tucson, AZ 85721
ph: 520-621-1583
fax: 520-621-7186
mottman@cals.arizona.edu

Weeds

Barry Tickes
Yuma County Cooperative Extension
2200 W. 28th Street, Suite 102
Yuma, AZ 85364-6928
ph: 928-726-3904
fax: 928-726-8472
btickes@cals.arizona.edu

Bill McCloskey
Plant Sciences Dept.
University of Arizona
Forbes, Room 303
Tucson, AZ 85721
ph: 520-621-7613
fax: 520-621-7186
wmcclosk@cals.arizona.edu

Apache

Michael Hauser
Apache County Cooperative Extension
P.O. Box 369
St. Johns, AZ 85936-0369
ph: 928-337-2267
fax: 928-337-2276
mhauser@cals.arizona.edu

Cochise

Lee Clark
Safford Agricultural Center
P.O. Box 1015
Safford, AZ 85546-9413
ph: 520-428-2432
fax: 520-428-7023
leeclark@cals.arizona.edu

Coconino

Thomas DeGomez
Coconino County Cooperative Extension
2304 North 3rd Street
Flagstaff, AZ 86004-3605
ph: 928-774-1868
fax: 928-774-1860
degomez@cals.arizona.edu

Gila

Christopher Jones
Gila County Cooperative Extension
1177 Monroe Street
Globe, AZ 85501-1415
ph: 928-425-7179
fax: 928-425-0265
ckjones@cals.arizona.edu

Graham

Randy Norton
Graham County Cooperative Extension
P.O. Box 127
Solomon, AZ 85551-0127
ph: 928-428-2611
fax: 928-428-7023
rnorton@cals.arizona.edu

Greenlee

Michael Schneider
Greenlee County Cooperative Extension
HCR Box 60
Duncan, AZ 85534
ph: 928-359-2261
fax: 928-359-2079
mikeschn@cals.arizona.edu

La Paz

Eric Norton
La Paz County Cooperative Extension
P.O. Box 3485
Parker, AZ 85344-3485
ph: 928-669-9843
fax: 928-669-9763
enorton@cals.arizona.edu

Maricopa

Pat Clay
Maricopa County Cooperative Extension
4341 East Broadway Rd
Phoenix, AZ 85040-8807
ph: 602-470-8086
fax: 602-470-8092
pclay@cals.arizona.edu

Mohave

Eric Norton
La Paz County Cooperative Extension
P.O. Box 3485
Parker, AZ 85344-3485
ph: 928-669-9843
fax: 928-669-9763
enorton@cals.arizona.edu

Navajo

Stephen Campbell
Navajo County Cooperative Extension
402 E. Hopi Drive
Holbrook, AZ 86025-3049
ph: 928-524-6271
fax: 928-524-2416
campbell@cals.arizona.edu

Pima

Steve Husman
Pima County Cooperative Extension
4210 North Campbell Ave
Tucson, AZ 85719-1109
ph: 520-626-5161
fax: 520-626-5849
husman@cals.arizona.edu

Pinal

Steve Husman
Pinal County Cooperative Extension
820 E. Cottonwood Lane Bldg C
Casa Grande, AZ 85222-2726
ph: 520-836-5221
fax: 520-836-1750
husman@cals.arizona.edu

Santa Cruz

Dean Fish
Santa Cruz County Cooperative Extension
3241 N. Grand Avenue, Suite 6
Nogales, AZ 85621-3917
ph: 520-281-2994
fax: 520-281-2985
dfish@cals.arizona.edu

Yavapai

Jeff Schalau
Yavapai County Cooperative Extension
P.O. Box 388
Prescott, AZ 86302-0388
ph: 928-445-6590
fax: 928-445-6593
jschalau@cals.arizona.edu

Yuma

Barry Tickes
Yuma County Cooperative Extension
2200 W. 28th Street, Suite 102
Yuma, AZ 85364-6928
ph: 928-726-3904
fax: 928-726-8472
btickes@cals.arizona.edu

Mohammed Zerkoune
Yuma County Cooperative Extension
2200 W. 28th Street, Suite 102
Yuma, AZ 85364-6928
ph: 928-726-3904
fax: 928-726-8472
zerkoune@cals.arizona.edu

Hopi

Matt Livingston
Navajo County Cooperative Extension
PO Box 1203
Keams Canyon, AZ 86034-1203
Ph: 928-738-0018
Fax: 928-738-2360
mateo@cals.arizona.edu

Navajo Nation - all info the same except the zip code is 85611-1339

Gerald Moore
Window Rock Office

Navajo Nation

Vacant
Shiprock Office
PO Box 3629
Shiprock, NM 87420-3629
Ph: 505-368-1028
Fax: 505-368-1008

San Carlos

Sabrina Tuttle
PO Box 850
San Carlos, AZ 85550-0850
Ph: 928-475-2350
Fax: 928-475-2359
sabrinat@ag.arizona.edu

Colorado River Indian Tribe

Linda Masters
La Paz County Cooperative Extension Office
PO Box 3485
Parker, AZ 85344-3485
Ph: 928-669-9843 x 205
Fax: 928-669-9763
lmasters@ag.arizona.edu

Havasupai-Haulapai

Liz Didier
PO Box 300
Peach Springs, AZ 86434
Ph: 928-769-1284
Fax: 928-769-2309
edidier@ag.arizona.edu